Four men are trying to cross a small bridge. They can each individually cross it in 1 2 5 and 10 minutes respectively. To cross they must carry a lantern to light the way and at most two can cross at the same time (when two people cross it takes the longer time for both of them). Can they all get across in 17 minutes? (Remember they have to bring the lantern back for the other people to use!)
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I am the center of gravity
I am the center of gravity hold a capital situation in Vienna and as I am foremost in every victory am allowed by all to be invaluable. Though I am invisible I am clearly seen in the midst of a river. I could name three who are in love with me and have three associates in vice. It is vain that you seek me for I have long been in heaven yet even now lie embalmed in the grave. What am I?
In the NBA how many men are on the basketball court for each team?
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